View 2013 F 150 7 Pin Trailer Wiring Diagram Background. You can splice the wires from the trailer plug to the corresponding wires on the truck. The 7 pin plug (truck side) is available with the pig tail set up that plugs directly into the wiring harness for the lights.
80edda7 2013 Ford F 150 Trailer Wiring Harness Connectors Wiring Library from static.cargurus.com The diagram below shows the view from outside the vehicle socket (under the flap) and from inside the trailer or caravan. It has a 4 wire male plug. Then all you would have to worry about is the 2 wires for the electric.
Here is the wiring diagram for the trailer wiring for your truck.
Even with the wiring diagram, i'd double check with a voltmeter. Installing a 7 pin trailer connector on a 2001 ford f150. The following tutorials will help you with test the ignition coil packs: Read your posting concerning wiring diagrams.
